package net.minecraft.block;

import net.minecraft.block.material.MapColor;
import net.minecraft.block.material.Material;
import net.minecraft.block.state.IBlockState;
import net.minecraft.init.Blocks;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumFacing;
import net.minecraft.world.IBlockAccess;

public class BlockBreakable extends Block {
	private boolean ignoreSimilarity;

	protected BlockBreakable(Material materialIn, boolean ignoreSimilarityIn) {
		this(materialIn, ignoreSimilarityIn, materialIn.getMaterialMapColor());
	}

	protected BlockBreakable(Material p_i46393_1_, boolean p_i46393_2_, MapColor p_i46393_3_) {
		super(p_i46393_1_, p_i46393_3_);
		this.ignoreSimilarity = p_i46393_2_;
	}

	/**
	 * Used to determine ambient occlusion and culling when rebuilding chunks for
	 * render
	 */
	public boolean isOpaqueCube() {
		return false;
	}

	public boolean shouldSideBeRendered(IBlockAccess worldIn, BlockPos pos, EnumFacing side) {
		IBlockState iblockstate = worldIn.getBlockState(pos);
		Block block = iblockstate.getBlock();

		if (this == Blocks.glass || this == Blocks.stained_glass) {
			if (worldIn.getBlockState(pos.offset(side.getOpposite())) != iblockstate) {
				return true;
			}

			if (block == this) {
				return false;
			}
		}

		return !this.ignoreSimilarity && block == this ? false : super.shouldSideBeRendered(worldIn, pos, side);
	}
}
